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            This is a file from the  Wikimedia Commons. Information from its  description page there is shown below.  Commons is a freely licensed media file repository.  You can help. 
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           | Description | 
           These mineral images are free to use how you wish. | 
          
          
           | Date | 
           15 April 2007 | 
          
          
           | Source | 
           Own work | 
          
          
           | Author | 
           Dave Dyet  http://www.shutterstone.com  http://www.dyet.com | 
          
          
           Permission ( Reusing this file) | 
           
             Own work, all rights released (Public domain) 
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          | Public domainPublic domainfalsefalse | 
         
        
        
         
            | 
          I, the copyright holder of this work, release this work into the  public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.Public domainPublic domainfalsefalse 
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